Finding the Fourth Proportional to 5,739,630.12, 7,920,390.65 and 3,564,126.65
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Solution
The fourth proportional to 5,739,630.12, 7,920,390.65 and 3,564,126.65 is: 4,918,309.15
Step by Step Solution
- Step 1: Write the proportion equation
5,739,630.12 : 7,920,390.65 = 3,564,126.65 : x - Step 2: Convert to fraction form
5,739,630.12/7,920,390.65 = 3,564,126.65/x - Step 3: Cross multiply
5,739,630.12x = 7,920,390.65 × 3,564,126.65 - Step 4: Simplify right side
5,739,630.12x = 28,229,275,336,653.23 - Step 5: Solve for x
x = 28,229,275,336,653.23/5,739,630.12 - Step 6: Final answer
x = 4,918,309.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.